/* ============ Reset & tokens ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
:root{
  --ink:#0A1B2E;
  --ink-2:#31465C;
  --muted:#65788D;
  --line:#E2E9F1;
  --line-2:#EDF2F8;
  --bg:#FFFFFF;
  --soft:#F5F8FC;
  --brand:#1461E4;
  --brand-d:#0B3E9C;
  --brand-l:#E8F0FE;
  --accent:#00B39B;
  --accent-l:#E4F7F4;
  --dark:#061527;
  --dark-2:#0A2138;
  --radius:16px;
  --radius-lg:22px;
  --shadow-s:0 2px 8px rgba(10,27,46,.05);
  --shadow-m:0 10px 30px -12px rgba(10,27,46,.16);
  --shadow-l:0 28px 60px -24px rgba(10,27,46,.28);
  --wrap:1200px;
  --ease:cubic-bezier(.22,.68,.28,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Consolas,monospace;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink-2);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--brand);color:#fff}

/* ============ Layout ============ */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{padding:clamp(68px,8vw,116px) 0;position:relative}
.section--soft{background:var(--soft)}
.section--line{border-top:1px solid var(--line-2)}
.section--flush{padding-top:0}
.section--tight{padding-top:clamp(40px,4.2vw,62px)}
/* 配图带：图片本身承担分隔作用，上下留白收窄，避免文字区与图片之间出现空档 */
.section--band{padding:clamp(18px,2.6vw,32px) 0 clamp(44px,5vw,68px)}
.section-head{max-width:760px;margin-bottom:clamp(36px,4.4vw,60px)}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
}
.section-head--center .eyebrow{justify-content:center}
h2.h2{
  font-size:clamp(27px,3.5vw,42px);
  line-height:1.28;letter-spacing:-.02em;
  color:var(--ink);font-weight:700;
}
.lede{
  margin-top:16px;font-size:clamp(15px,1.6vw,17px);
  color:var(--muted);line-height:1.9;
}
.hl{color:var(--brand)}
.hl-grad{
  background:linear-gradient(100deg,var(--brand) 10%,var(--accent) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,border-color .25s,color .25s;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none;transition:transform .25s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:hover svg{transform:translateX(3px)}
.btn--primary{
  background:linear-gradient(135deg,var(--brand) 0%,#0F4FCB 100%);
  color:#fff;box-shadow:0 12px 26px -12px rgba(20,97,228,.7);
}
.btn--primary:hover{box-shadow:0 18px 34px -14px rgba(20,97,228,.8)}
.btn--ghost{
  background:rgba(255,255,255,.06);color:#fff;
  border-color:rgba(255,255,255,.22);backdrop-filter:blur(6px);
}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4)}
.btn--line{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-s)}
.btn--line:hover{border-color:var(--brand);color:var(--brand)}
.btn--sm{height:42px;padding:0 18px;font-size:14px}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  transition:gap .25s var(--ease);
}
.text-link svg{width:15px;height:15px}
.text-link:hover{gap:11px}

/* ============ Header ============ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:120;
  --nav-fg:#fff;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  border-bottom:1px solid transparent;
}
.site-header .wrap{max-width:1320px}
.nav{
  display:flex;align-items:center;gap:36px;
  height:74px;
}
.brand{display:flex;align-items:center;gap:11px;color:var(--nav-fg);transition:color .3s;flex:none}
/* 官方 logo：深色导航用反白版，滚动变白底后切深蓝文字版 */
.brand-logo{display:grid;flex:none}
.brand-logo img{grid-area:1/1;display:block;height:38px;width:auto;transition:opacity .3s var(--ease)}
.brand-logo .bl-dark{opacity:0}
.site-header.is-solid .brand-logo .bl-light,
.site-header.head-solid .brand-logo .bl-light{opacity:0}
.site-header.is-solid .brand-logo .bl-dark,
.site-header.head-solid .brand-logo .bl-dark{opacity:1}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--nav-fg);
  opacity:.82;transition:opacity .2s,background .2s;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:currentColor;transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-links a:hover{opacity:1}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{opacity:1}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
/* 语言切换：中英各一版，同一位置、同样式 */
.lang-switch{
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--nav-fg);opacity:.72;
  padding:6px 9px;border-radius:8px;border:1px solid transparent;
  transition:opacity .2s,background .2s,border-color .2s;white-space:nowrap;
}
.lang-switch:hover{opacity:1;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18)}
.site-header.is-solid .lang-switch:hover,.site-header.head-solid .lang-switch:hover{
  background:rgba(10,27,46,.06);border-color:rgba(10,27,46,.12);
}
.site-header.is-solid,.site-header.head-solid{
  --nav-fg:var(--ink);
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px) saturate(1.4);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px -18px rgba(10,27,46,.4);
}
.site-header.is-solid .btn--ghost,.site-header.head-solid .btn--ghost{
  background:var(--brand);color:#fff;border-color:var(--brand);
}
.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transition:width .1s linear;z-index:2;
}
.nav-toggle{
  display:none;width:42px;height:42px;border:0;background:transparent;
  cursor:pointer;padding:0;align-items:center;justify-content:center;
  border-radius:9px;
}
.nav-toggle span{
  display:block;width:20px;height:2px;background:var(--nav-fg);border-radius:2px;
  position:relative;transition:transform .3s var(--ease),opacity .2s;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;border-radius:2px;
  background:var(--nav-fg);transition:transform .3s var(--ease),opacity .2s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
body.menu-open .nav-toggle span{background:transparent}
body.menu-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
body.menu-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{
  position:fixed;inset:74px 0 auto 0;z-index:110;
  max-height:calc(100vh - 74px);
  max-height:calc(100dvh - 74px); /* iOS 地址栏收起时 vh 偏大，菜单底部会被切掉 */
  overflow-y:auto;overscroll-behavior:contain;
  background:rgba(255,255,255,.98);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
  padding:12px 24px 26px;
  transform:translateY(-14px);opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
  box-shadow:0 24px 40px -30px rgba(10,27,46,.6);
}
body.menu-open .mobile-menu{opacity:1;transform:none;pointer-events:auto}
.mobile-menu a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 2px;border-bottom:1px solid var(--line-2);
  font-size:16px;font-weight:600;color:var(--ink);
}
.mobile-menu a svg{width:14px;height:14px;color:var(--muted)}
.mobile-menu .btn{width:100%;margin-top:18px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(168deg,#06182C 0%,#08213A 46%,#0A2843 100%);
  padding:calc(74px + clamp(52px,7vw,86px)) 0 clamp(42px,4.6vw,58px);
  color:#fff;isolation:isolate;
}
.hero--full{
  min-height:100vh;min-height:100svh;
  display:flex;align-items:center;
  padding-top:clamp(104px,12vh,150px);
  padding-bottom:clamp(64px,9vh,112px);
}
.hero--full > .wrap{width:100%}
/* 矮屏（笔记本常见 720–800）压缩首屏内部间距，保证一屏装得下 */
@media (min-width:921px) and (max-height:824px){
  .hero--full{padding-top:84px;padding-bottom:44px}
  .hero--full h1{font-size:clamp(24px,2.95vw,39px)}
  .hero--full .hero-sub{margin-top:14px;font-size:15px;line-height:1.8}
}
/* 更矮的窗口（约 660–700）再压一档 */
@media (min-width:921px) and (max-height:706px){
  .hero--full{padding-top:80px;padding-bottom:34px}
  .hero--full h1{font-size:clamp(22px,2.8vw,35px)}
  .hero--full .hero-sub{margin-top:12px;font-size:14.5px;line-height:1.72}
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:66px 66px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 20%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 0%,#000 20%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(720px 460px at 82% 8%,rgba(20,97,228,.42),transparent 62%),
    radial-gradient(560px 420px at 6% 88%,rgba(0,179,155,.2),transparent 60%);
}
.hero-grid{
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(32px,5vw,64px);align-items:center;
}
.hero-copy .eyebrow{color:#7EC6FF}
.hero-copy .eyebrow::before{background:linear-gradient(90deg,#7EC6FF,#00E0C0)}
.hero h1{
  font-size:clamp(26px,3.1vw,42px);
  line-height:1.24;letter-spacing:-.02em;font-weight:800;color:#fff;
  text-wrap:balance; /* 320px 时「驱动精准决策」会把「策」甩到下一行，均衡断行避免孤字 */
}
@media (max-width:640px){
  .hero h1{font-size:clamp(23px,6vw,28px);line-height:1.28}
}
.hero h1 .em{
  position:relative;white-space:nowrap;
  background:linear-gradient(96deg,#5AA9FF,#3FE0C8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:22px;font-size:clamp(15px,1.7vw,17.5px);
  line-height:1.95;color:rgba(233,241,250,.76);max-width:560px;
}
.hero-sub strong{color:#fff;font-weight:600}

/* ============ 首屏看板：MES / QMS / SCADA / WMS 四系统轮播 ============ */
.hero-visual{position:relative;perspective:1400px}
.visual-glow{
  position:absolute;inset:-16% -20%;
  background:radial-gradient(closest-side,rgba(37,120,255,.36),rgba(0,224,192,.10) 58%,transparent 78%);
  filter:blur(26px);pointer-events:none;
}
.visual-orbit{
  position:absolute;left:50%;top:50%;width:112%;aspect-ratio:1;
  border:1px dashed rgba(126,198,255,.16);border-radius:50%;
  transform:translate(-50%,-50%);pointer-events:none;
  animation:spin 52s linear infinite;
}
.visual-orbit--2{
  width:134%;border-color:rgba(63,224,200,.11);
  animation-duration:74s;animation-direction:reverse;
}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* 控制台外壳 */
.dash{
  position:relative;z-index:1;border-radius:18px;overflow:hidden;
  background:linear-gradient(180deg,rgba(16,38,62,.96),rgba(9,26,44,.98));
  border:1px solid rgba(120,180,255,.18);
  box-shadow:0 40px 80px -30px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.03) inset;
  transform:rotateY(-9deg) rotateX(4deg) rotateZ(.4deg);
  transition:transform .8s var(--ease);
}
.hero-visual:hover .dash{transform:rotateY(-3deg) rotateX(1deg)}
.dash-bar{
  display:flex;align-items:center;gap:7px;height:36px;padding:0 13px;
  background:rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.07);
}
.dash-dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.2)}
.dash-dot:nth-child(1){background:#FF6B6B}
.dash-dot:nth-child(2){background:#FFCC5C}
.dash-dot:nth-child(3){background:#4BD6A0}
.dash-title{
  margin-left:9px;min-width:0;font-size:11px;color:rgba(233,241,250,.55);
  font-family:var(--mono);letter-spacing:.03em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.dash-live{
  margin-left:auto;flex:none;display:flex;align-items:center;gap:5px;
  font-size:10px;color:#4BD6A0;font-family:var(--mono);
}
.dash-live i{width:5px;height:5px;border-radius:50%;background:#4BD6A0;box-shadow:0 0 0 0 rgba(75,214,160,.6);animation:pulse 2s infinite}
.dash-idx{
  flex:none;font-size:9.5px;color:rgba(233,241,250,.38);font-family:var(--mono);
  padding-left:8px;margin-left:7px;border-left:1px solid rgba(255,255,255,.12);
}
/* 暂停 / 播放：自动轮播必须能停 */
.dash-play{
  flex:none;margin-left:8px;width:19px;height:19px;padding:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:2.5px;
  border:1px solid rgba(255,255,255,.14);border-radius:5px;background:rgba(255,255,255,.04);
  transition:background .18s,border-color .18s;
}
.dash-play:hover,.dash-play:focus-visible{background:rgba(255,255,255,.1);border-color:rgba(120,180,255,.45)}
.dash-play i{width:2px;height:7px;border-radius:1px;background:rgba(233,241,250,.7)}
.dash-play.is-paused i:first-child{
  width:0;height:0;background:transparent;border-radius:0;
  border-left:6px solid rgba(233,241,250,.8);
  border-top:4.5px solid transparent;border-bottom:4.5px solid transparent;
}
.dash-play.is-paused i:last-child{display:none}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(75,214,160,.5)}
  70%{box-shadow:0 0 0 7px rgba(75,214,160,0)}
  100%{box-shadow:0 0 0 0 rgba(75,214,160,0)}
}

/* 四段模块标签：四个系统一次全露出来 */
.bd-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.07)}
.bd-tab{
  position:relative;background:rgba(10,28,48,.92);padding:8px 4px 9px;text-align:center;
  cursor:pointer;border:0;font-family:inherit;color:rgba(233,241,250,.5);
  transition:background .3s,color .3s;
}
.bd-tab b{
  display:block;font-family:var(--mono);font-size:12px;letter-spacing:.06em;font-weight:700;
  color:rgba(233,241,250,.62);transition:color .3s;
}
.bd-tab i{display:block;font-style:normal;font-size:9.5px;margin-top:2px;letter-spacing:.02em}
.bd-tab::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--ac);
  transform:scaleX(0);transform-origin:left;opacity:.9;
}
.bd-tab:hover{background:rgba(255,255,255,.04);color:rgba(233,241,250,.7)}
.bd-tab.on{background:rgba(255,255,255,.05);color:rgba(233,241,250,.72)}
.bd-tab.on b{color:#fff}
.bd-tab.on::after{animation:bdPr 4.2s linear forwards}
@keyframes bdPr{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* 看板面板 */
.bd-vp{position:relative;height:330px;overflow:hidden}
.bd-board{
  position:absolute;inset:0;padding:10px;display:flex;flex-direction:column;gap:6px;
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .5s ease,transform .5s ease;
}
.bd-board.on{opacity:1;transform:none;pointer-events:auto}
.kpi-row{flex:none;display:grid;grid-template-columns:minmax(0,1.16fr) minmax(0,1fr) minmax(0,1fr);gap:8px}
.kpi{
  min-width:0;padding:7px 9px;border-radius:10px;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);
}
.kpi .k-label{
  font-size:9.5px;color:rgba(233,241,250,.5);letter-spacing:.05em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.kpi .k-val{
  margin-top:1px;font-size:19px;font-weight:700;color:#fff;font-family:var(--mono);
  line-height:1.28;white-space:nowrap;font-variant-numeric:tabular-nums;
}
.kpi .k-val em{font-style:normal;font-size:10.5px;color:#7EC6FF;margin-left:2px}
.kpi .k-sub{font-size:9px;color:#4BD6A0;margin-top:1px;white-space:nowrap}
.kpi--ring{display:flex;align-items:center;gap:8px;padding-left:8px}
.ring{flex:none;filter:drop-shadow(0 0 6px rgba(90,169,255,.35))}
.ring circle{transition:stroke-dashoffset .9s cubic-bezier(.2,.7,.3,1)}

/* 次级指标条：5 格 */
.stat-strip{
  flex:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
  padding:3px 0;border-radius:9px;
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.06);
}
.mini{min-width:0;padding:0 8px;border-right:1px solid rgba(255,255,255,.07)}
.mini:last-child{border-right:0}
.mini span{
  display:block;font-size:9px;color:rgba(233,241,250,.45);letter-spacing:.03em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.mini b{
  display:block;font-family:var(--mono);font-size:13px;font-weight:700;color:#fff;
  line-height:1.35;white-space:nowrap;font-variant-numeric:tabular-nums;
}
.mini b em{font-style:normal;font-size:9px;color:rgba(233,241,250,.5);margin-left:1px;font-weight:400}

/* 主区：趋势图 + 侧栏 */
.main-grid{flex:1;min-height:0;display:grid;grid-template-columns:1.72fr minmax(0,1fr);gap:7px}
.chart-box,.side-box{
  min-width:0;min-height:0;display:flex;flex-direction:column;border-radius:10px;overflow:hidden;overflow:hidden;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);
}
.chart-box{padding:8px 10px 6px}
.side-box{padding:8px 9px 7px}
.chart-head{flex:none;display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px}
.chart-head b{font-size:10.5px;font-weight:600;color:rgba(233,241,250,.8)}
.chart-head span{font-size:9.5px;color:rgba(233,241,250,.4);font-family:var(--mono)}
.chart-body{flex:1;min-height:0;position:relative}
.chart-body>svg{display:block;width:100%;height:100%}
.side-head{flex:none;display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px}
.side-head b{font-size:10px;font-weight:600;color:rgba(233,241,250,.75)}
.side-head span{font-size:8.5px;color:rgba(233,241,250,.35);font-family:var(--mono)}
/* 侧栏：进度条 */
.sb-bars{flex:1;display:flex;flex-direction:column;justify-content:space-around;gap:1px}
.sb-row{display:flex;flex-direction:column;gap:3px}
.sb-t{display:flex;justify-content:space-between;align-items:baseline;font-size:9.5px;color:rgba(233,241,250,.55)}
.sb-t b{font-family:var(--mono);font-size:10px;font-weight:600;color:rgba(233,241,250,.88);font-variant-numeric:tabular-nums}
.sb-t b em{font-style:normal;font-size:8px;color:rgba(233,241,250,.45);margin-left:1px}
.sb-row i{display:block;height:2px;border-radius:2px;background:rgba(255,255,255,.09);overflow:hidden}
.sb-row u{display:block;height:100%;border-radius:2px;background:var(--ac);opacity:.9}
/* 侧栏：设备矩阵 */
.sb-mat{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}
.sb-mat i{
  height:19px;border-radius:4px;background:rgba(75,214,160,.14);border:1px solid rgba(75,214,160,.32);
  font-style:normal;font-size:8px;font-family:var(--mono);color:rgba(233,241,250,.62);
  display:flex;align-items:center;justify-content:center;
}
.sb-mat i.idle{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:rgba(233,241,250,.4)}
.sb-mat i.alarm{
  background:rgba(255,107,107,.16);border-color:rgba(255,107,107,.5);color:#FF9B9B;
  box-shadow:0 0 8px rgba(255,107,107,.22);
}
.sb-legend{margin-top:auto;display:flex;gap:7px;font-size:8px;color:rgba(233,241,250,.42);white-space:nowrap}
.sb-legend b{display:inline-block;width:5px;height:5px;border-radius:1px;margin-right:3px}
/* 侧栏：文本列表 */
.sb-list{flex:1;display:flex;flex-direction:column;justify-content:space-around}
.sb-li{display:flex;justify-content:space-between;align-items:baseline;font-size:9.5px;font-family:var(--mono);color:rgba(233,241,250,.55)}
.sb-li b{font-weight:600;font-size:8.5px;padding:1px 5px;border-radius:3px}
.sb-li b.ok{color:#4BD6A0;background:rgba(75,214,160,.12);border:1px solid rgba(75,214,160,.25)}
.sb-li b.ng{color:#FFC078;background:rgba(255,168,71,.12);border:1px solid rgba(255,168,71,.28)}
/* 柱状（QMS）：用 scaleY 起势，切回该模块时自动重播，不依赖 JS 计时 */
.bd-bars{position:absolute;inset:0 0 15px;display:flex;align-items:flex-end;gap:6px}
.bd-bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;position:relative}
.bd-bar i{
  display:block;width:100%;max-width:26px;border-radius:3px 3px 0 0;
  background:linear-gradient(180deg,rgba(63,224,200,.95),rgba(63,224,200,.22));
  transform:scaleY(0);transform-origin:bottom;
  transition:transform .7s cubic-bezier(.2,.7,.3,1);
}
.bd-board.on .bd-bar i{transform:scaleY(1)}
.bd-bar span{
  position:absolute;bottom:-15px;left:50%;transform:translateX(-50%);
  font-size:9px;color:rgba(233,241,250,.45);white-space:nowrap;
}
/* 波形（SCADA） */
.bd-legend{position:absolute;right:0;top:-15px;display:flex;gap:10px;font-size:9px;color:rgba(233,241,250,.5)}
.bd-legend b{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:4px}
/* 热力（WMS） */
.heat{position:absolute;inset:2px 0 12px;display:grid;grid-template-columns:repeat(12,1fr);grid-template-rows:repeat(4,1fr);gap:3px}
.heat i{border-radius:2px;background:var(--ac);opacity:.16}
.heat i.hot{opacity:1;background:#FFB047;box-shadow:0 0 0 1px rgba(255,176,71,.85),0 0 9px rgba(255,176,71,.45)}
.heat-ax{position:absolute;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:3px}
.heat-ax span{font-size:8.5px;color:rgba(233,241,250,.35);font-family:var(--mono);white-space:nowrap}
/* 告警条 */
.alert-strip{
  flex:none;display:flex;align-items:center;gap:8px;padding:8px 11px;border-radius:10px;
  background:rgba(255,168,71,.1);border:1px solid rgba(255,168,71,.22);
  font-size:10.5px;color:#FFC078;
}
.alert-strip .a-txt{min-width:0;flex:1 1 auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.alert-strip .tg{
  flex:none;font-size:9px;padding:1px 6px;border-radius:4px;
  background:rgba(255,168,71,.2);border:1px solid rgba(255,168,71,.3);
  font-family:var(--mono);letter-spacing:.04em;
}
.alert-strip .t{
  flex:none;margin-left:auto;padding-left:8px;font-size:9.5px;
  color:rgba(233,241,250,.62);font-family:var(--mono);
}

/* ============ Trust strip ============ */
/* ============ Product matrix ============ */
.prod-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.prod-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 24px;overflow:hidden;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s;
  box-shadow:var(--shadow-s);
}
.prod-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-l);border-color:#CBDDF8}
.prod-card:hover::before{transform:scaleX(1)}
.prod-num{
  font-family:var(--mono);font-size:12px;color:#9AAABD;letter-spacing:.1em;
  margin-bottom:16px;
}
.prod-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand-l),#F2F7FF);
  color:var(--brand);margin-bottom:16px;
  border:1px solid #DCE9FC;
  transition:transform .35s var(--ease),background .35s;
}
.prod-ico svg{width:22px;height:22px}
.prod-card:hover .prod-ico{transform:translateY(-2px) scale(1.04)}
.prod-card:nth-child(2) .prod-ico{background:linear-gradient(150deg,#E6F6F3,#F3FBF9);color:#00806F;border-color:#D2EEEA}
.prod-card:nth-child(3) .prod-ico{background:linear-gradient(150deg,#FFF2E4,#FFF9F2);color:#B45E14;border-color:#FBE3C9}
.prod-card:nth-child(4) .prod-ico{background:linear-gradient(150deg,#EFEBFE,#F8F6FF);color:#5B3FC4;border-color:#E0D9FB}
.prod-card:nth-child(5) .prod-ico{background:linear-gradient(150deg,#EAF1F9,#F6FAFE);color:#2F5C88;border-color:#D8E4F1}
.prod-card:nth-child(6) .prod-ico{background:linear-gradient(150deg,#FBEAF2,#FEF6FA);color:#A8316C;border-color:#F4D8E6}
.prod-card h3{font-size:18px;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.4}
.prod-card .p-en{
  font-size:11px;font-family:var(--mono);color:#9AAABD;letter-spacing:.06em;
  margin-top:3px;display:block;
}
.prod-card p{font-size:13.5px;line-height:1.8;color:var(--muted);margin-top:12px;flex:1}
.prod-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.prod-tags span{
  font-size:11.5px;padding:3px 8px;border-radius:5px;
  background:var(--soft);color:#5B6E84;border:1px solid var(--line-2);
}
.prod-card .text-link{margin-top:18px;font-size:13px}

/* ============ Product detail ============ */
.pdetail{
  display:grid;grid-template-columns:1fr 1fr;
  gap:clamp(30px,5vw,72px);align-items:center;
  padding:clamp(48px,6vw,78px) 0;
  border-top:1px solid var(--line-2);
}
.pdetail:first-of-type{border-top:0;padding-top:0}
.pdetail--alt .pd-copy{order:2}
.pdetail--alt .pd-visual{order:1}
.pd-copy .pd-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;
  color:var(--brand);background:var(--brand-l);
  padding:4px 10px;border-radius:6px;margin-bottom:16px;
}
.pd-copy h3{
  font-size:clamp(23px,2.6vw,31px);line-height:1.35;color:var(--ink);
  font-weight:700;letter-spacing:-.02em;
}
.pd-copy .pd-desc{
  margin-top:14px;font-size:15px;line-height:1.95;color:var(--muted);
}
.pd-list{
  display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;margin-top:26px;
}
.pd-list li{display:flex;gap:9px;font-size:13.5px;line-height:1.7;color:#3E5063}
.pd-list li svg{
  width:16px;height:16px;flex:none;margin-top:4px;color:var(--accent);
}
.pd-list b{display:block;color:var(--ink);font-weight:600;font-size:13.5px}
.pd-list small{color:var(--muted);font-size:12.5px;line-height:1.65;display:block}
.pd-metrics{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:28px;
  padding-top:22px;border-top:1px dashed var(--line);
}
.pd-metrics div{display:flex;align-items:baseline;gap:5px}
.pd-metrics b{font-size:19px;font-family:var(--mono);font-weight:700;color:var(--brand)}
.pd-metrics span{font-size:12.5px;color:var(--muted)}

/* window mock shared */
.win{
  border-radius:14px;overflow:hidden;background:#fff;
  border:1px solid var(--line);
  box-shadow:0 26px 60px -30px rgba(10,27,46,.38),0 0 0 1px rgba(255,255,255,.6) inset;
}
.win-bar{
  display:flex;align-items:center;gap:6px;height:36px;padding:0 12px;
  background:linear-gradient(180deg,#F8FAFD,#F1F5FA);
  border-bottom:1px solid var(--line);
}
.win-bar i{width:7px;height:7px;border-radius:50%;background:#D3DDE8}
.win-bar .w-t{
  margin-left:8px;font-size:11px;color:#7C8CA0;font-family:var(--mono);
  letter-spacing:.03em;
}
.win-bar .w-r{
  margin-left:auto;font-size:10px;color:#fff;background:var(--brand);
  padding:2px 7px;border-radius:4px;font-family:var(--mono);
}
.win-body{padding:14px}
.win-sub{
  display:flex;justify-content:space-between;align-items:center;
  padding:8px 2px 6px;border-bottom:1px solid var(--line-2);margin-bottom:8px;
}
.win-sub b{font-size:12px;color:var(--ink);font-weight:600}
.win-sub span{font-size:10.5px;color:#93A3B6;font-family:var(--mono)}
.table-row{
  display:grid;grid-template-columns:1.3fr .9fr .8fr .7fr;
  gap:8px;align-items:center;padding:8px 6px;
  border-bottom:1px solid var(--line-2);font-size:11px;
}
.table-row:last-child{border-bottom:0}
.table-row .c1{color:var(--ink);font-weight:600;font-family:var(--mono);font-size:10.5px}
.table-row .c2,.table-row .c3{color:#6B7C90}
.pill{
  font-size:9.5px;padding:2px 7px;border-radius:20px;justify-self:start;
  font-family:var(--mono);
}
.pill--ok{background:#E7F8F2;color:#0A8B6C}
.pill--run{background:#E9F1FE;color:#1259CF}
.pill--warn{background:#FFF4E5;color:#B26A0B}
.bar{
  height:5px;border-radius:5px;background:#EDF2F8;overflow:hidden;width:100%;
}
.bar i{display:block;height:100%;border-radius:5px;background:linear-gradient(90deg,#3B8BFF,#1461E4)}
.bar i.g{background:linear-gradient(90deg,#3FE0C8,#00B39B)}

/* QMS spc */
.spc-wrap{position:relative}
.spc-legend{display:flex;gap:14px;font-size:10px;color:#8595A8;margin-top:8px}
.spc-legend i{display:inline-block;width:14px;height:2px;border-radius:2px;margin-right:4px;vertical-align:middle}
.qms-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:10px}
.qms-kpis div{
  background:#F7FAFD;border:1px solid var(--line-2);border-radius:8px;
  padding:8px 10px;
}
.qms-kpis span{font-size:9.5px;color:#8595A8;display:block;letter-spacing:.04em}
.qms-kpis b{font-size:15px;font-family:var(--mono);color:var(--ink);font-weight:700}
.qms-kpis b em{font-size:9.5px;font-style:normal;color:#0A8B6C;margin-left:3px}

/* SCADA gauge */
.scada-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.scada-cell{
  background:#F7FAFD;border:1px solid var(--line-2);border-radius:9px;padding:9px 11px;
}
.scada-cell .sc-h{display:flex;align-items:center;justify-content:space-between}
.scada-cell .sc-n{font-size:10px;color:#77879B}
.scada-cell .sc-d{width:6px;height:6px;border-radius:50%;background:#0BA37F;box-shadow:0 0 0 3px rgba(11,163,127,.13)}
.scada-cell .sc-d.w{background:#E8A33D;box-shadow:0 0 0 3px rgba(232,163,61,.15)}
.scada-cell .sc-v{font-size:16px;font-family:var(--mono);font-weight:700;color:var(--ink);margin-top:2px}
.scada-cell .sc-v small{font-size:9.5px;color:#8595A8;font-weight:500;margin-left:2px}

/* WMS slots */
.slot-grid{
  display:grid;grid-template-columns:repeat(12,1fr);gap:3px;margin-top:4px;
}
.slot{
  aspect-ratio:1/1;border-radius:2.5px;background:#E8EEF6;
  transition:transform .2s;
}
.slot.f{background:#B9D3F8}
.slot.f2{background:#8FB8F2}
.slot.f3{background:#4B8BEE}
.slot.agv{background:#00B39B;box-shadow:0 0 0 2px rgba(0,179,155,.25)}
.slot-grid:hover .slot{transform:scale(.94)}
.legend{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px;font-size:9.5px;color:#8595A8}
.legend em{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:4px}

/* ============ Product groups ============ */
.visual-pill{
  position:absolute;left:2px;top:-34px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(8,26,44,.86);border:1px solid rgba(126,198,255,.28);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:#BFE0FF;font-size:10.5px;font-family:var(--mono);letter-spacing:.02em;
  padding:6px 11px;border-radius:100px;
  box-shadow:0 12px 26px -14px rgba(0,0,0,.7);
}
.visual-pill i{width:6px;height:6px;border-radius:50%;background:#3FE0C8;box-shadow:0 0 0 0 rgba(63,224,200,.6);animation:pulse 2s infinite}
.prod-group + .prod-group{margin-top:54px}
.prod-group-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;margin-bottom:20px;
}
.pg-title{display:flex;align-items:center;gap:11px;flex-wrap:wrap}
.pg-idx{
  font-family:var(--mono);font-size:11px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),#0F4FCB);
  padding:3px 8px;border-radius:5px;letter-spacing:.08em;
}
.pg-name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
/* 通用防断词工具类：把不该拆开的短语当成一个整体换行 */
.nw{white-space:nowrap}
.pg-desc{font-size:13px;color:var(--muted)}
.prod-consult{
  display:flex;flex-direction:column;justify-content:center;gap:8px;
  padding:26px 24px;border-radius:var(--radius);
  border:1px dashed #C6D8EC;
  background:linear-gradient(155deg,#FAFCFF,#F1F6FD);
}
.prod-consult b{font-size:15px;color:var(--ink);font-weight:700;line-height:1.5}
.prod-consult p{font-size:13px;color:var(--muted);line-height:1.7}
.prod-consult .text-link{margin-top:4px}

/* AI banner inside product matrix */
.ai-banner{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  background:linear-gradient(118deg,#06182C 0%,#0B2A4A 52%,#08213A 100%);
  padding:clamp(26px,3.4vw,40px);
  display:grid;grid-template-columns:1.02fr .98fr;
  gap:clamp(24px,4vw,52px);align-items:center;
  box-shadow:0 30px 60px -36px rgba(6,21,39,.75);
  border:1px solid rgba(126,198,255,.14);
}
.ai-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 320px at 88% 0%,rgba(20,97,228,.4),transparent 60%),
    radial-gradient(420px 300px at 8% 100%,rgba(0,179,155,.18),transparent 62%);
}
.ai-banner > *{position:relative;z-index:1}
.ai-banner .ab-eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-family:var(--mono);letter-spacing:.1em;
  color:#7EC6FF;margin-bottom:12px;
}
.ai-banner .ab-eyebrow i{width:5px;height:5px;border-radius:50%;background:#3FE0C8}
.ai-banner h3{
  font-size:clamp(21px,2.3vw,27px);line-height:1.42;
  color:#fff;font-weight:700;letter-spacing:-.02em;
}
.ai-banner .ab-desc{
  margin-top:12px;font-size:13.8px;line-height:1.85;
  color:rgba(233,241,250,.68);max-width:420px;
}
.ab-caps{display:grid;grid-template-columns:1fr;gap:9px}
.ab-cap{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:11px;padding:11px 14px;transition:background .25s,border-color .25s;
}
.ai-banner:hover .ab-cap{background:rgba(255,255,255,.07)}
.ab-cap b{font-size:13.5px;color:#fff;font-weight:600;white-space:nowrap}
.ab-cap span{font-size:11px;color:rgba(233,241,250,.48);text-align:right}
.ab-foot{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:18px;font-size:11.5px;color:rgba(233,241,250,.55);
}
.ab-foot span{display:inline-flex;align-items:center;gap:5px}
.ab-foot svg{width:13px;height:13px;color:#3FE0C8}

/* ============ Digital twin visual ============ */
.dt-visual{position:relative}
.dt-tag{
  position:absolute;z-index:3;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:8px;padding:5px 9px;
  box-shadow:0 10px 22px -14px rgba(10,27,46,.5);
  font-size:10px;line-height:1.4;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.dt-tag b{display:block;font-family:var(--mono);font-size:12px;color:var(--ink)}
.dt-tag span{color:#8595A8;font-size:9.5px}
.dt-tag::after{
  content:"";position:absolute;width:5px;height:5px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 3px rgba(20,97,228,.15);
}
.dt-tag--a{left:2%;top:8%}
.dt-tag--a::after{right:-2px;bottom:-2px}
.dt-tag--b{right:4%;top:22%}
.dt-tag--b::after{left:-2px;bottom:-2px;background:var(--accent);box-shadow:0 0 0 3px rgba(0,179,155,.15)}
.dt-tag--c{left:8%;bottom:12%}
.dt-tag--c::after{right:-2px;top:-2px;background:#E8A33D;box-shadow:0 0 0 3px rgba(232,163,61,.16)}

/* ============ AI section ============ */
.ai-section{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(168deg,#05101D 0%,#081D31 48%,#061527 100%);
  padding:clamp(68px,8vw,112px) 0;
}
.ai-section::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse 85% 65% at 50% 0%,#000 25%,transparent 80%);
  mask-image:radial-gradient(ellipse 85% 65% at 50% 0%,#000 25%,transparent 80%);
}
.ai-section::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 420px at 84% 12%,rgba(20,97,228,.34),transparent 62%),
    radial-gradient(520px 380px at 4% 88%,rgba(0,179,155,.16),transparent 60%);
}
.ai-section > .wrap{position:relative;z-index:1}
.ai-section .eyebrow{color:#7EC6FF}
.ai-section .eyebrow::before{background:linear-gradient(90deg,#7EC6FF,#3FE0C8)}
.ai-section .h2{color:#fff}
.ai-section .lede{color:rgba(233,241,250,.68)}
.ai-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(32px,5vw,60px);align-items:center}
.ai-caps-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:30px}
.ai-cap-card{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.1);
  border-radius:14px;padding:19px 17px;
  transition:transform .3s var(--ease),background .3s,border-color .3s;
}
.ai-cap-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.08);border-color:rgba(126,198,255,.38)}
.ai-cap-card .ic{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:rgba(126,198,255,.13);color:#7EC6FF;margin-bottom:12px;
  border:1px solid rgba(126,198,255,.2);
}
.ai-cap-card .ic svg{width:17px;height:17px}
.ai-cap-card h4{font-size:14.5px;color:#fff;font-weight:700;letter-spacing:-.01em}
.ai-cap-card p{font-size:12px;color:rgba(233,241,250,.58);line-height:1.75;margin-top:6px}
.deploy-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px 26px;
  margin-top:34px;padding-top:28px;border-top:1px solid rgba(255,255,255,.1);
}
.deploy-item{display:flex;gap:10px;align-items:flex-start}
.deploy-item svg{width:17px;height:17px;color:#3FE0C8;flex:none;margin-top:3px}
.deploy-item b{display:block;font-size:13px;color:#fff;font-weight:600}
.deploy-item span{display:block;font-size:11.5px;color:rgba(233,241,250,.52);line-height:1.65;margin-top:2px}

/* AI workbench mock */
.ai-win{
  border-radius:14px;overflow:hidden;
  border:1px solid rgba(126,198,255,.22);
  background:linear-gradient(180deg,#0B2135,#081A2C);
  box-shadow:0 44px 80px -34px rgba(0,0,0,.85),0 0 0 1px rgba(255,255,255,.03) inset;
}
.ai-win-bar{
  display:flex;align-items:center;gap:6px;height:36px;padding:0 12px;
  background:rgba(255,255,255,.045);border-bottom:1px solid rgba(255,255,255,.08);
}
.ai-win-bar i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.16)}
.ai-win-bar .w-t{margin-left:8px;font-size:10.5px;color:rgba(233,241,250,.5);font-family:var(--mono)}
.local-badge{
  margin-left:auto;display:inline-flex;align-items:center;gap:5px;
  font-size:9.5px;font-family:var(--mono);letter-spacing:.06em;
  color:#3FE0C8;background:rgba(63,224,200,.1);
  border:1px solid rgba(63,224,200,.28);padding:2px 7px;border-radius:4px;
}
.local-badge i{width:5px;height:5px;border-radius:50%;background:#3FE0C8}
.ai-win-body{padding:14px;display:grid;gap:10px}
.prompt-box{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:9px;padding:9px 11px;
  font-size:10.5px;line-height:1.7;font-family:var(--mono);
  color:rgba(233,241,250,.72);
}
.prompt-box .pb-l{color:#7EC6FF;font-size:9.5px;letter-spacing:.08em;display:block;margin-bottom:3px}
.cursor{display:inline-block;width:1px;height:10px;background:#7EC6FF;vertical-align:-1px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.frames{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.frame{
  position:relative;aspect-ratio:16/10;border-radius:7px;overflow:hidden;
  background:linear-gradient(155deg,#12395B,#0B2740);
  border:1px solid rgba(255,255,255,.07);
}
.frame::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 38%,rgba(126,198,255,.22) 50%,transparent 62%);
}
.frame::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  border-left:7px solid rgba(255,255,255,.85);
  border-top:4.5px solid transparent;border-bottom:4.5px solid transparent;
}
.frame.done::after{display:none}
.frame.done{background:linear-gradient(155deg,#134B57,#0B2E3D)}
.gen-row{
  display:flex;align-items:center;justify-content:space-between;
  font-size:9.5px;font-family:var(--mono);color:rgba(233,241,250,.45);
}
.gen-bar{height:4px;border-radius:4px;background:rgba(255,255,255,.1);overflow:hidden;margin-top:5px}
.gen-bar i{display:block;height:100%;width:78%;border-radius:4px;background:linear-gradient(90deg,#5AA9FF,#3FE0C8)}
.ai-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.ai-specs div{
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.08);
  border-radius:10px;padding:12px 10px;text-align:center;
}
.ai-specs b{display:block;font-size:18px;font-family:var(--mono);color:#fff;letter-spacing:-.02em;line-height:1.3}
.ai-specs span{display:block;font-size:10.5px;color:rgba(233,241,250,.5);margin-top:3px}

/* ============ Solutions ============ */
.scn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scn-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
  position:relative;
}
.scn-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#CBDDF8}
.scn-ico{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:var(--soft);border:1px solid var(--line-2);color:var(--brand);
  margin-bottom:15px;
}
.scn-ico svg{width:19px;height:19px}
.scn-card h4{font-size:16.5px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.scn-card p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-top:9px}
.scn-card .scn-ref{
  margin-top:16px;font-size:11.5px;color:#8496AA;font-family:var(--mono);
  letter-spacing:.04em;padding-top:12px;border-top:1px dashed var(--line);
}

/* ============ Methodology steps ============ */
.steps{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  position:relative;margin-top:16px;
}
.steps::before{
  content:"";position:absolute;top:19px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,rgba(20,97,228,.15),rgba(20,97,228,.5),rgba(0,179,155,.5),rgba(0,179,155,.15));
}
.step{position:relative;padding:0 14px;text-align:left}
.step-n{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  font-family:var(--mono);font-size:12.5px;font-weight:700;
  position:relative;z-index:1;margin-bottom:16px;
  box-shadow:0 0 0 5px #fff,0 4px 12px -6px rgba(10,27,46,.25);
  transition:background .3s,color .3s,border-color .3s,transform .3s var(--ease);
}
.step:hover .step-n{background:var(--brand);color:#fff;border-color:var(--brand);transform:scale(1.06)}
.step h4{font-size:15px;color:var(--ink);font-weight:700;line-height:1.5}
/* 英文标题普遍比中文长，五步里有的一行有的两行，下面「Output」就对不齐了。
   给标题留两行的位，各行回到同一基线 */
html[lang="en"] .step h4{min-height:3em}
.step .st-out{
  font-size:11.5px;color:#5B7FA8;
  letter-spacing:.01em;margin-top:5px;
}
.step p{font-size:12.8px;color:var(--muted);line-height:1.8;margin-top:9px}

/* ============ Advantages ============ */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.adv{
  display:flex;gap:14px;padding:22px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);
  transition:border-color .3s,box-shadow .3s,transform .3s var(--ease);
}
.adv:hover{border-color:#CBDDF8;box-shadow:var(--shadow-m);transform:translateY(-3px)}
.adv-ico{
  width:36px;height:36px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:var(--brand-l);color:var(--brand);
}
.adv-ico svg{width:18px;height:18px}
.adv h4{font-size:15px;color:var(--ink);font-weight:700;line-height:1.5}
.adv p{font-size:13px;color:var(--muted);line-height:1.78;margin-top:6px}

/* ============ About ============ */
.about-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(32px,5vw,64px);align-items:start}
.about-grid > *:last-child{align-self:center}
.about-copy p{font-size:15px;line-height:2;color:var(--muted);margin-bottom:16px}
.about-copy p strong{color:var(--ink);font-weight:600}
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:26px}
.fact{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;
}
.fact b{display:block;font-size:23px;font-family:var(--mono);font-weight:700;color:var(--ink);line-height:1.3}
.fact b em{font-size:13px;font-style:normal;color:var(--brand);margin-left:1px}
.fact span{font-size:12.5px;color:var(--muted);margin-top:2px;display:block}
.about-visual{margin-top:0}
.about-visual .win{box-shadow:0 20px 50px -34px rgba(10,27,46,.4)}

/* ============ Contact ============ */
.contact{
  background:linear-gradient(165deg,#071A2E,#0A2843 60%,#081F35);
  color:#fff;position:relative;overflow:hidden;
}
.contact::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 70% 20%,#000,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 70% 20%,#000,transparent 75%);
}
.contact > .wrap{position:relative;z-index:1}
.contact .eyebrow{color:#7EC6FF}
.contact .eyebrow::before{background:linear-gradient(90deg,#7EC6FF,#00E0C0)}
.contact h2{color:#fff}
.contact .lede{color:rgba(233,241,250,.68)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,64px);margin-top:8px}
.info-list{display:grid;gap:2px}
.info-item{
  display:flex;gap:14px;padding:17px 0;border-bottom:1px solid var(--line-2);
}
.info-item:last-child{border-bottom:0}
.info-ico{
  width:36px;height:36px;border-radius:9px;flex:none;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--brand-l),#F2F7FF);border:1px solid #DCE9FC;color:var(--brand);
}
.info-ico svg{width:16px;height:16px}
.info-item .lb{font-size:11.5px;color:#8595A8;letter-spacing:.1em;text-transform:uppercase}
.info-item .vl{font-size:15px;color:var(--ink);font-weight:600;margin-top:2px;line-height:1.6}
.info-item .vl a{color:inherit;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.info-item .vl a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.info-item .vl small{display:block;font-size:12.5px;font-weight:400;color:var(--muted);margin-top:2px}

/* ---- 微信咨询卡 ---- */
.wx-card{
  display:flex;align-items:center;gap:clamp(14px,1.6vw,20px);
  margin-top:26px;padding:18px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(150deg,#F7FBFF,#EDF4FD);
}
.wx-qr{
  position:relative;flex:none;padding:7px;border:1px solid #DCE7F5;border-radius:12px;
  background:#fff;cursor:zoom-in;box-shadow:var(--shadow-s);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.wx-qr img{width:clamp(104px,10vw,124px);height:auto;border-radius:6px}
.wx-qr:hover{transform:translateY(-2px);border-color:var(--brand);box-shadow:var(--shadow-m)}
.wx-qr:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.wx-zoom{
  position:absolute;left:50%;bottom:6px;transform:translateX(-50%);
  padding:2px 8px;border-radius:20px;background:rgba(6,21,39,.72);
  font-size:10.5px;color:#fff;letter-spacing:.04em;white-space:nowrap;
  opacity:0;transition:opacity .2s;
}
.wx-qr:hover .wx-zoom,.wx-qr:focus-visible .wx-zoom{opacity:1}
.wx-k{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.wx-t{font-size:12.5px;color:var(--muted);line-height:1.8;margin-top:6px}
.wx-t--m{color:#8C9AAB;font-size:12px}

/* ---- 二维码放大层 ---- */
.qr-pop{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px}
.qr-pop[hidden]{display:none}
.qr-pop__mask{position:absolute;inset:0;background:rgba(5,16,30,.74);backdrop-filter:blur(4px)}
.qr-pop__box{
  position:relative;width:min(352px,88vw);padding:22px 22px 18px;text-align:center;
  background:#fff;border-radius:var(--radius-lg);box-shadow:0 40px 90px -30px rgba(0,0,0,.6);
  animation:qrIn .28s var(--ease);
}
.qr-pop__box img{width:100%;height:auto;margin:12px auto 10px;border-radius:8px}
.qr-pop__k{font-size:16px;font-weight:700;color:var(--ink)}
.qr-pop__t{font-size:12.5px;color:var(--muted)}
.qr-pop__x{
  position:absolute;top:12px;right:12px;width:30px;height:30px;border-radius:50%;
  border:0;background:var(--soft);color:var(--ink-2);display:grid;place-items:center;
  cursor:pointer;transition:background .2s,color .2s;
}
.qr-pop__x:hover{background:var(--brand);color:#fff}
.qr-pop__x svg{width:14px;height:14px}
@keyframes qrIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}

.form-card{
  background:#fff;border-radius:var(--radius-lg);
  padding:clamp(24px,3vw,36px);box-shadow:0 40px 80px -40px rgba(0,0,0,.55);
}
.form-card h3,.form-card h2{font-size:19px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.form-card .f-tip{font-size:13px;color:var(--muted);margin-top:6px;margin-bottom:22px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px;position:relative}
.field label{
  display:block;font-size:12.5px;color:#5B6E84;font-weight:600;margin-bottom:6px;
}
.field label em{color:#E5484D;font-style:normal;margin-left:2px}
.field input,.field textarea,.field select{
  width:100%;height:44px;padding:0 13px;border-radius:9px;
  border:1px solid var(--line);background:#FBFCFE;color:var(--ink);
  font-size:14px;transition:border-color .2s,box-shadow .2s,background .2s;
  outline:none;
}
.field textarea{height:96px;padding:11px 13px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(20,97,228,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#A7B4C4}
.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:11.5px;color:#93A3B6;margin-top:12px;text-align:center;line-height:1.7}
.form-ok{
  display:none;margin-top:14px;padding:14px 16px;border-radius:10px;
  background:var(--accent-l);color:#02806F;font-size:13px;font-weight:600;
  border:1px solid #CCEDE7;line-height:1.75;
}
.form-ok.show{display:block}
.form-ok b{display:block;font-size:13.5px;margin-bottom:4px;color:#016B5D}
.form-ok>span{display:block;font-weight:400;color:#2C6B62}
.form-ok>span.ok-mail{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}
.ok-mail a{color:#016B5D;font-family:var(--mono);font-size:12.5px;text-decoration:underline;text-underline-offset:2px}
.copy-btn{
  padding:5px 11px;border-radius:7px;font-size:12px;font-weight:600;cursor:pointer;
  background:#fff;color:#016B5D;border:1px solid #B9E3DA;
  transition:background .2s,border-color .2s;
}
.copy-btn:hover{background:#F2FBF9;border-color:#8FD3C6}

/* ============ Footer ============ */
.footer{background:#04101E;color:rgba(233,241,250,.55);padding:clamp(44px,5vw,64px) 0 0}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer .brand{color:#fff;margin-bottom:16px}
.brand-logo-f{display:block;height:40px;width:auto}
.footer-desc{font-size:13px;line-height:1.9;max-width:330px;color:rgba(233,241,250,.5)}
.footer-contact{margin-top:18px;display:grid;gap:7px;font-size:13px}
.footer-contact span,.footer-contact a{display:flex;align-items:center;gap:8px}
.footer-contact svg{width:14px;height:14px;flex:none;color:#4A7FB8}

.f-k{margin:0 0 14px;font-size:13px;color:#fff;font-weight:700;letter-spacing:.06em}
.f-col a{display:block;font-size:13.5px;padding:5px 0;color:rgba(233,241,250,.55);transition:color .2s}
.f-col a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:22px 0 26px;font-size:12.5px;color:rgba(233,241,250,.38);
}
.footer-bottom .fb-links{display:flex;gap:20px}
.footer-bottom a:hover{color:#fff}

/* ============ To top ============ */
.to-top{
  position:fixed;right:24px;bottom:26px;z-index:90;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.9);backdrop-filter:blur(10px);
  color:var(--ink);display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--shadow-m);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .3s,transform .3s var(--ease),background .2s,color .2s;
}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.to-top svg{width:17px;height:17px}

/* ============ Reveal ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .visual-orbit{animation:none}
  .dash{transform:none}
  .bd-board{transition:none;transform:none}
  .ring circle{transition:none}
  .bar i{transition:none;transform:none}
  .bd-tab.on::after{animation:none;transform:scaleX(1)}
}

/* 首屏看板：两栏时右列只有 450 左右，压缩一档避免 KPI 卡挤爆 */
@media (min-width:921px) and (max-width:1160px){
  .bd-tab{padding:7px 2px 8px}
  .bd-tab i{display:none}
  .kpi{padding:7px 8px}
  .kpi .k-val{font-size:17px}
  .kpi .k-val em{font-size:9.5px}
  .kpi .k-sub{display:none}
  .mini{padding:0 6px}
  .mini b{font-size:11.5px}
  .alert-strip{padding:7px 9px;font-size:9.5px}
  .alert-strip .t{display:none}
  .side-head span{display:none}
  .sb-mat{grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}
  .sb-mat i{height:16px}
}
@media (max-width:520px){
  .bd-vp{height:316px}
  .bd-tab i{display:none}
  .kpi{padding:7px 8px}
  .kpi .k-val{font-size:16px}
  .kpi .k-sub{display:none}
  .kpi--ring .ring{width:36px;height:36px}
  .mini{padding:0 5px}
  .mini span{font-size:8px}
  .mini b{font-size:11px}
  .alert-strip{padding:6px 8px;font-size:9px}
  .alert-strip .t{display:none}
  .sb-mat{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ============ Responsive ============ */
@media (max-width:1180px){
  .nav-links a{padding:9px 11px;font-size:14px}
  .nav-tel{display:none}
}
@media (max-width:1024px){
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .scn-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px 0}
  .steps::before{display:none}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:920px){
  .nav-links{display:none}
  .nav-tel{display:none}
  .nav-toggle{display:flex}
  .nav{margin-left:auto;gap:8px}
  /* 语言按钮是触屏目标，桌面那套 padding 只有 24px 高，手指容易点空 */
  .lang-switch{display:inline-flex;align-items:center;min-height:40px;padding:8px 11px;font-size:13px}
  .nav-cta .btn{display:none}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{max-width:520px;margin:0 auto;width:100%}
  .dash{transform:none}
  .pdetail{grid-template-columns:1fr;gap:30px;padding:44px 0}
  .pdetail--alt .pd-copy{order:1}
  .pdetail--alt .pd-visual{order:2}
  .pd-visual{max-width:520px;width:100%}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .ai-banner{grid-template-columns:1fr;gap:22px}
  .ai-grid{grid-template-columns:1fr;gap:34px}
  .ai-caps-3{gap:10px}
  .deploy-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .dt-visual{max-width:520px;width:100%}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .prod-grid{grid-template-columns:1fr}
  .scn-grid{grid-template-columns:1fr}
  .adv-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .pd-list{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .ab-caps{grid-template-columns:1fr}
  .ai-caps-3{grid-template-columns:1fr}
  .deploy-grid{grid-template-columns:1fr}
  .ai-banner{padding:24px 20px}
  .dt-tag{font-size:9px;padding:4px 7px}
  .dt-tag b{font-size:11px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .kpi-row{grid-template-columns:1fr 1fr}
  .kpi--ring{grid-column:1/-1}
  /* 首屏轮播在窄屏会把环形 KPI 单独占一行，板高相应加一档 */
  .bd-vp{height:372px}
  .bd-tab b{font-size:11px}
  .bd-tab{padding:7px 2px 8px}
  .mini{padding:0 5px}
  /* 首屏轮播在窄屏会把环形 KPI 单独占一行，板高相应加一档 */
  .bd-vp{height:372px}
  .bd-tab b{font-size:11px}
  .bd-tab{padding:7px 2px 8px}
  .mini{padding:0 5px}
  .facts{grid-template-columns:1fr}
  .cert-list{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .scada-grid{grid-template-columns:1fr}
  .qms-kpis{grid-template-columns:1fr 1fr}
  .qms-kpis div:last-child{grid-column:1/-1}
}/* ============ Multi-page additions ============ */
/* 导航下拉 */
.nav-links .has-drop{position:relative;display:flex;align-items:center}
.nav-links .has-drop > a{display:flex;align-items:center}
.nav-links .has-drop:hover > a::after{transform:scaleX(1)}
.drop{
  position:absolute;left:0;top:100%;padding-top:10px;
  min-width:272px;z-index:130;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
}
.has-drop:hover .drop,.has-drop:focus-within .drop{opacity:1;visibility:visible;transform:none}
.drop-in{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:0 28px 54px -24px rgba(10,27,46,.32);
  padding:8px;display:block;
}
.drop-in a{
  display:block;padding:9px 12px;border-radius:9px;
  font-size:14px;font-weight:600;color:var(--ink);opacity:1;
}
.drop-in a::after{display:none}
.drop-in a small{
  display:block;font-size:11.5px;font-weight:400;color:var(--muted);
  margin-top:2px;line-height:1.5;
}
.drop-in a:hover{background:var(--brand-l);color:var(--brand)}
.drop-in a:hover small{color:#2C63B8}
.drop-sep{height:1px;background:var(--line-2);margin:6px 8px}

/* 产品中心 mega 下拉：工业系统 / AI 应用 / 定制化服务 */
.drop--mega{left:50%;padding-top:12px;transform:translate(-50%,-8px)}
.has-drop:hover .drop--mega,.has-drop:focus-within .drop--mega{transform:translate(-50%,0)}
.drop-in--mega{display:grid;grid-template-columns:1fr .95fr 1.06fr 1.12fr;min-width:836px;padding:10px}
.mega-col{padding:8px 8px 12px}
.mega-col + .mega-col{border-left:1px solid var(--line-2)}
.mega-k{
  display:block;margin:0;font-size:10.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);padding:0 10px 7px;
}
.mega-col a{
  display:block;padding:8px 10px;border-radius:9px;line-height:1.35;
  font-size:14px;font-weight:600;color:var(--ink);
}
.mega-col a small{display:block;font-size:11.5px;font-weight:400;color:var(--muted);margin-top:2px;line-height:1.5}
.mega-col a:hover{background:var(--brand-l);color:var(--brand)}
.mega-col a:hover small{color:#2C63B8}
.mega-col--bi a:hover{background:var(--brand-l);color:var(--brand)}
.mega-col--bi a:hover small{color:#2C63B8}
.mega-col--ai h6{color:#00806F}
.mega-col--ai a:hover{background:var(--accent-l);color:#00806F}
.mega-col--ai a:hover small{color:#0C8474}
.mega-foot{
  grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-top:4px;padding:11px 10px 3px;border-top:1px solid var(--line-2);
}
.mega-foot span{font-size:12px;color:var(--muted)}
.mega-foot a{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--brand);padding:0;
}
.mega-foot a:hover{background:none}
.mega-foot a svg{width:13px;height:13px}

/* 移动端菜单分组 */
.mobile-menu .mm-label{
  font-size:10.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);padding:16px 2px 2px;
}
.mobile-menu a.mm-sub{padding:11px 2px 11px 12px;font-size:15px;font-weight:500;color:var(--ink-2)}

/* 内页头图 */
.page-hero{
  position:relative;overflow:hidden;isolation:isolate;color:#fff;
  background:linear-gradient(160deg,#06182C 0%,#08213A 52%,#0A2A46 100%);
  padding:calc(74px + clamp(40px,5vw,62px)) 0 clamp(44px,5.2vw,64px);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse 88% 78% at 40% 0%,#000 10%,transparent 76%);
  mask-image:radial-gradient(ellipse 88% 78% at 40% 0%,#000 10%,transparent 76%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(660px 420px at 88% 4%,rgba(20,97,228,.36),transparent 62%),
    radial-gradient(480px 360px at 2% 96%,rgba(0,179,155,.16),transparent 62%);
}
.page-hero--teal::after{
  background:
    radial-gradient(660px 420px at 88% 4%,rgba(0,179,155,.26),transparent 62%),
    radial-gradient(480px 360px at 4% 96%,rgba(20,97,228,.3),transparent 62%);
}
.crumb{
  display:flex;align-items:center;gap:7px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(233,241,250,.46);margin-bottom:22px;
  font-family:var(--mono);letter-spacing:.02em;
}
.crumb a{transition:color .2s}
.crumb a:hover{color:#7EC6FF}
.crumb i{font-style:normal;opacity:.5}
.crumb span{color:rgba(233,241,250,.8)}
.page-hero .eyebrow{color:#7EC6FF}
.page-hero .eyebrow::before{background:linear-gradient(90deg,#7EC6FF,#00E0C0)}
.page-hero h1{
  font-size:clamp(29px,3.9vw,46px);line-height:1.24;
  letter-spacing:-.025em;font-weight:800;color:#fff;max-width:900px;
}
.page-hero h1 em{
  font-style:normal;
  background:linear-gradient(96deg,#5AA9FF,#3FE0C8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.ph-lede{
  margin-top:18px;max-width:680px;
  font-size:clamp(14.5px,1.55vw,16.5px);line-height:1.95;
  color:rgba(233,241,250,.72);
}
.ph-lede strong{color:#fff;font-weight:600}
/* 产品中心首屏去掉右侧信息栏后，说明文字独占一行，放宽避免「人眼怎么看」被拆行 */
.page-hero.prod .ph-lede{max-width:820px}
/* 定制化页说明更长，进一步放宽并均衡折行，避免「功能」等词被拆断 */
.page-hero.prod-custom .ph-lede{max-width:900px;text-wrap:balance}
/* QMS 页说明三行且末行只剩「可预防。」，用均衡折行摊平，避免短尾行 */
.page-hero.qms .ph-lede{text-wrap:balance}
/* 英文比中文长，首屏说明末行常剩两三个词（"can accept." / "server room."）。
   pretty 只管单词孤行，两词孤行管不到；balance 能摊平，代价是每行略短，
   放在大标题下面的说明里反而更像成块的正文。
   正文区（.section-head .lede）不动：那边段落多且长，balance 有 6 行上限，
   超了会退回普通折行，行为不一致 */
html[lang="en"] .ph-lede{text-wrap:balance}
/* 章节标题同理：760px 的栏宽放不下英文长句时，末行不要只剩一个词 */
html[lang="en"] h2,
html[lang="en"] h3{text-wrap:balance}
.ph-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.ph-metrics{
  display:flex;flex-wrap:wrap;gap:clamp(20px,4vw,52px);
  margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
}
.ph-metrics b{
  display:block;font-size:clamp(20px,2.3vw,26px);font-weight:700;color:#fff;
  font-family:var(--mono);letter-spacing:-.02em;line-height:1.3;
}
.ph-metrics b em{font-style:normal;font-size:13px;color:#7EC6FF;margin-left:2px}
.ph-metrics span{display:block;font-size:12px;color:rgba(233,241,250,.5);margin-top:3px;letter-spacing:.03em}
.ph-side{
  padding:20px;border-radius:16px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(6px);
}
.ph-side dl{display:grid;gap:10px}
.ph-side dl div{display:flex;justify-content:space-between;gap:16px;font-size:13px}
.ph-side dt{color:rgba(233,241,250,.5);white-space:nowrap}
.ph-side dd{color:#fff;font-weight:600;text-align:right;line-height:1.5}
.page-hero-grid{display:grid;grid-template-columns:1fr 340px;gap:clamp(28px,4vw,56px);align-items:end}
.page-hero-grid--full{grid-template-columns:1fr}

/* 产品子导航 */
.subnav{
  position:sticky;top:74px;z-index:95;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(14px) saturate(1.4);
  -webkit-backdrop-filter:blur(14px) saturate(1.4);
  border-bottom:1px solid var(--line);
}
.subnav-inner{display:flex;align-items:center;gap:4px;height:56px;overflow-x:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.subnav a,.subnav .on{
  padding:7px 14px;border-radius:8px;font-size:14px;font-weight:500;
  color:var(--muted);white-space:nowrap;transition:background .2s,color .2s;
}
.subnav a:hover{background:var(--soft);color:var(--ink)}
.subnav .on{background:var(--brand-l);color:var(--brand);font-weight:600}
.subnav .sn-tag{
  margin-left:auto;font-size:11.5px;font-family:var(--mono);
  color:var(--muted);letter-spacing:.06em;padding-left:16px;flex:none;
}

/* 产品页 intro */
.pdp-intro{
  display:grid;grid-template-columns:minmax(0,1fr) 316px;
  gap:clamp(30px,4.4vw,60px);align-items:start;
}
.pdp-intro .pd-copy h2{
  font-size:clamp(22px,2.6vw,30px);line-height:1.38;color:var(--ink);
  font-weight:700;letter-spacing:-.02em;
}
.pdp-intro .pd-copy .pd-desc{margin-top:16px;font-size:15px;line-height:1.95;color:var(--muted)}
.pdp-intro .pd-list{columns:2;column-gap:26px;display:block;margin-top:26px}
.pdp-intro .pd-list li{break-inside:avoid;margin-bottom:16px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;box-shadow:var(--shadow-s);
}
.side-card h4{font-size:13px;color:var(--ink);font-weight:700;letter-spacing:.02em}
.side-card dl{margin-top:14px;display:grid;gap:12px}
.side-card dt{font-size:11.5px;color:var(--muted);letter-spacing:.04em}
.side-card dd{font-size:13.5px;color:var(--ink);font-weight:600;line-height:1.6;margin-top:2px}
.side-card .btn{margin-top:18px;width:100%}
.side-card--soft{background:var(--soft);border-color:var(--line-2);box-shadow:none}
.side-note{font-size:12px;color:var(--muted);line-height:1.7;margin-top:12px}

/* 界面预览 */
.pdp-shot{max-width:920px;margin:0 auto}
.pdp-shot .win{box-shadow:0 34px 70px -34px rgba(10,27,46,.34)}

/* 功能网格 */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feat{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:22px 20px;transition:border-color .25s,transform .25s var(--ease),box-shadow .25s;
}
.feat:hover{border-color:#C9DBF6;transform:translateY(-3px);box-shadow:var(--shadow-m)}
.feat .fi{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-l);color:var(--brand);margin-bottom:14px;
}
.feat .fi svg{width:19px;height:19px}
.feat b{display:block;font-size:15px;color:var(--ink);font-weight:700}
.feat p{font-size:13px;line-height:1.8;color:var(--muted);margin-top:7px}

/* 场景三段式 */
.uc-grid{display:grid;gap:14px}
.uc{
  display:grid;grid-template-columns:200px 1fr 200px;gap:24px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;
}
.uc-k{font-size:13px;font-weight:700;color:var(--ink)}
.uc-k span{display:block;font-size:11.5px;font-family:var(--mono);color:var(--brand);letter-spacing:.08em;margin-bottom:4px}
.uc p{font-size:13.5px;line-height:1.85;color:var(--muted)}
.uc-r{text-align:right}
.uc-r b{font-size:20px;font-family:var(--mono);color:var(--brand)}
.uc-r span{display:block;font-size:11.5px;color:var(--muted);margin-top:2px}

/* 相关产品 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:22px;transition:border-color .25s,transform .25s var(--ease),box-shadow .25s;
}
.rel-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-m)}
.rel-card .rc-k{font-size:11px;font-family:var(--mono);color:var(--brand);letter-spacing:.09em}
.rel-card b{display:block;font-size:16px;color:var(--ink);margin-top:6px;font-weight:700}
.rel-card span{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.75}
.rel-card .text-link{
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
  margin-top:14px;font-size:13px;
}

/* 上下页 */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:36px}
.pager a{
  display:block;padding:18px 20px;border:1px solid var(--line);border-radius:12px;
  background:#fff;transition:border-color .25s,transform .25s var(--ease);
}
.pager a:hover{border-color:var(--brand);transform:translateY(-2px)}
.pager .pg-l{font-size:11px;color:var(--muted);letter-spacing:.12em;font-family:var(--mono)}
.pager b{display:block;font-size:15px;color:var(--ink);margin-top:5px;font-weight:700}
.pager .pg-next{text-align:right}

/* 首页速览 */

@media (max-width:1080px){
  .page-hero-grid{grid-template-columns:1fr}
  .ph-side{grid-template-columns:1fr 1fr;display:grid}
  .pdp-intro{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:1fr 1fr}
  .uc{grid-template-columns:1fr;gap:12px}
  .uc-r{text-align:left}
  .drop{display:none}
  .subnav .sn-tag{display:none}
}

@media (max-width:720px){
  .ph-side{grid-template-columns:1fr}
  .pdp-intro .pd-list{columns:1}
  .feat-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager .pg-next{text-align:left}
  .subnav{top:74px}
}

/* ============ 三块业务 / 定制化 / AI 质检（多页改版新增） ============ */
.prod-grid--2{grid-template-columns:repeat(2,1fr)}
.prod-grid--4{grid-template-columns:repeat(4,1fr);gap:14px}
.prod-grid--4 .prod-card{padding:24px 20px 22px}
.prod-grid--4 .prod-card h3{font-size:16px}
.prod-grid--4 .prod-card p{font-size:12.5px}
.prod-grid--4 .prod-card .p-en{font-size:10px;letter-spacing:.02em;line-height:1.45;min-height:2.9em}
@media (max-width:1180px){
  .prod-grid--4{grid-template-columns:repeat(2,1fr);gap:16px}
  .prod-grid--4 .prod-card{padding:26px 24px 24px}
  .prod-grid--4 .prod-card h3{font-size:17px}
  .prod-grid--4 .prod-card p{font-size:13px}
  .prod-grid--4 .prod-card .p-en{font-size:11px;letter-spacing:.06em;min-height:0}
}
@media (max-width:680px){
  .prod-grid--4{grid-template-columns:1fr}
}

.wide-card{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  padding:32px;border-radius:18px;
  background:linear-gradient(120deg,#F8F5FF,#FCFBFF);
  border:1px solid #E7DFFB;
  transition:transform .3s var(--ease),box-shadow .3s;
}
.wide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.wc-copy .bd-k{font-size:11.5px;font-family:var(--mono);letter-spacing:.1em;color:#5B3FC4}
.wide-card h3{font-size:clamp(19px,2.2vw,24px);color:var(--ink);margin-top:10px;font-weight:700;line-height:1.45}
.wide-card p{font-size:13.5px;line-height:1.85;color:var(--muted);margin-top:10px;max-width:720px}
.wide-card .prod-tags{margin-top:16px}
.wide-card .btn{flex:none}

/* AI 质检检测画面 */
.vision-shot{position:relative;border-radius:10px;overflow:hidden;border:1px solid #1E3A55;margin:2px 0 10px;background:#0D1B2A}
.vs-badge{
  position:absolute;left:10px;top:10px;
  font-size:10px;font-weight:700;letter-spacing:.04em;font-family:var(--mono);
  padding:3px 8px;border-radius:5px;
}
.vs-badge--ng{background:rgba(232,86,75,.18);color:#FF9085;border:1px solid rgba(255,107,94,.42)}
.vs-meta{position:absolute;right:10px;bottom:8px;font-size:9.5px;color:#7E97AD;font-family:var(--mono)}
.pill--ng{background:#FDECEA;color:#C4392E;border:1px solid #F8D5D1}

/* 定制化：能力卡 */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cap-card{
  padding:26px;border-radius:16px;background:#fff;border:1px solid var(--line);
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.cap-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#CBDDF8}
.cap-ico{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--brand-l);color:var(--brand);margin-bottom:14px;
}
.cap-ico svg{width:19px;height:19px}
.cap-card h3{font-size:16px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.cap-card p{font-size:13px;color:var(--muted);line-height:1.8;margin-top:8px}

/* 定制化：合作模式 */
.mode-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mode{
  position:relative;padding:24px 22px;border-radius:16px;
  background:#fff;border:1px solid var(--line);
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.mode:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#CBDDF8}
.mode-n{font-family:var(--mono);font-size:11px;font-weight:700;color:var(--brand);letter-spacing:.1em}
.mode h3{font-size:15.5px;color:var(--ink);font-weight:700;margin-top:9px}
.mode p{font-size:12.5px;color:var(--muted);line-height:1.8;margin-top:8px}

@media (max-width:1080px){
  .mode-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:920px){
  .prod-grid--2{grid-template-columns:1fr 1fr}
  .cap-grid{grid-template-columns:1fr 1fr}
  .wide-card{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  .prod-grid--2{grid-template-columns:1fr}
  .cap-grid{grid-template-columns:1fr}
  .mode-grid{grid-template-columns:1fr}
  .wide-card{padding:24px 20px}
}
.form-card .f-note{font-size:11.5px;color:var(--muted);margin-top:12px;line-height:1.7}

/* ============ 可访问性 / 跳转 ============ */
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  padding:10px 18px;border-radius:0 0 10px 10px;
  background:var(--brand);color:#fff;font-size:13.5px;font-weight:600;
  transition:top .2s;
}
.skip-link:focus{top:0;outline:none}
.footer-contact a{transition:color .2s}
.footer-contact a:hover{color:#fff}

.feat-link{font-family:var(--mono);font-size:12.5px;color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.feat-link:hover{color:#0B47B0}

/* ============ 法务页 / 404 ============ */
.legal{max-width:800px}
.legal-meta{
  font-size:12.5px;color:var(--muted);font-family:var(--mono);
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px;
}
.legal h2{
  font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;
  margin:30px 0 10px;
}
.legal h2:first-of-type{margin-top:24px}
.legal p{font-size:14px;line-height:1.95;color:#41505F;margin-bottom:12px}
.legal ul{margin:0 0 14px;padding-left:0;list-style:none}
.legal li{
  position:relative;padding-left:18px;margin-bottom:8px;
  font-size:14px;line-height:1.9;color:#41505F;
}
.legal li::before{
  content:"";position:absolute;left:4px;top:11px;
  width:5px;height:5px;border-radius:50%;background:var(--brand);
}
.legal a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

.err-page{text-align:center;padding:clamp(60px,9vw,110px) 0}
.err-code{
  font-family:var(--mono);font-size:clamp(64px,12vw,110px);font-weight:700;
  line-height:1;letter-spacing:-.04em;color:var(--brand);opacity:.16;
}
.err-page h1{font-size:clamp(24px,3.4vw,34px);color:var(--ink);letter-spacing:-.02em;margin-top:-6px}
.err-desc{max-width:520px;margin:14px auto 0;font-size:14.5px;line-height:1.85;color:var(--muted)}
.err-links{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:28px}
.err-sug{
  max-width:640px;margin:44px auto 0;padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;
}
.err-sug span{font-size:12px;font-family:var(--mono);letter-spacing:.1em;color:var(--muted);width:100%;margin-bottom:6px}
.err-sug a{font-size:13.5px;color:var(--brand)}
.err-sug a:hover{text-decoration:underline;text-underline-offset:3px}

/* ============ BI 数字大屏：产品中心入口卡 ============ */
.wide-card--bi{
  background:linear-gradient(120deg,#F3F9FF,#FBFDFF);
  border-color:#D8E7F8;
}
.wide-card--bi .wc-copy .bd-k{color:var(--brand)}
.bi-duo{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;max-width:720px}
.bi-duo > div{
  padding:12px 14px;border-radius:10px;background:#fff;
  border:1px solid #E1ECF9;
}
.bi-duo b{display:block;font-size:13px;color:var(--ink);font-weight:700}
.bi-duo span{display:block;font-size:12px;color:var(--muted);line-height:1.7;margin-top:3px}

/* ============ 首页产品分组（工业 / 数据可视化 / AI / 定制） ============ */
.hgroups{margin-top:4px}
.hgroup + .hgroup{margin-top:40px;padding-top:36px;border-top:1px solid var(--line-2)}
.hgroup-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.hgroup-head .pg-desc{font-size:13px;color:var(--muted)}
.hgroup-link{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--brand);white-space:nowrap;
}
.hgroup-link svg{width:14px;height:14px;transition:transform .25s var(--ease)}
.hgroup-link:hover svg{transform:translateX(3px)}
.hgroup .wide-card p{max-width:840px}
.wide-card--ai{background:linear-gradient(120deg,#F1FBF8,#FBFFFE);border-color:#D5EDE8}
.wide-card--ai .wc-copy .bd-k{color:#00806F}
.wide-card--custom{background:linear-gradient(120deg,#F8F5FF,#FCFBFF);border-color:#E7DFFB}
@media (max-width:640px){
  .hgroup-head{gap:8px}
  .hgroup-head .pg-desc{flex-basis:100%;margin-top:2px;font-size:12.5px}
  .hgroup-link{margin-left:0;width:100%;margin-top:10px}
  .hgroup + .hgroup{margin-top:30px;padding-top:28px}
}

/* ============ 首页产品分组 end ============ */

/* ============ 首页实施服务概览 ============ */
.meth-foot{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:clamp(26px,3vw,40px);padding-top:22px;
  border-top:1px solid var(--line-2);
}
.meth-note{font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.meth-foot .hgroup-link{margin-left:auto}
@media (max-width:640px){
  .meth-foot{gap:10px;padding-top:18px}
  .meth-note{font-size:12px}
  .meth-foot .hgroup-link{width:auto;margin-top:0}
}
/* ============ 首页实施服务概览 end ============ */

/* ============ BI 大屏：两种形态卡片 ============ */
.bi-type-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.bi-type{
  position:relative;display:flex;flex-direction:column;
  padding:28px;border-radius:var(--radius-lg);
  background:#fff;border:1px solid var(--line);
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.bi-type:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#CBDDF8}
.bi-type--twin{background:linear-gradient(160deg,#F7FBFF,#EFF6FE)}
.bt-k{
  display:flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;font-weight:700;
  letter-spacing:.12em;color:var(--brand);
}
.bt-k em{
  font-style:normal;padding:2px 8px;border-radius:20px;
  background:var(--brand-l);color:var(--brand);letter-spacing:.06em;
}
.bi-type--twin .bt-k{color:#00806F}
.bi-type--twin .bt-k em{background:var(--accent-l);color:#00806F}
.bi-type h3{font-size:clamp(18px,2vw,21px);color:var(--ink);font-weight:700;margin-top:12px;letter-spacing:-.01em}
.bi-type > p{font-size:13.5px;color:var(--muted);line-height:1.85;margin-top:10px}
.bt-list{display:grid;gap:9px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.bt-list div{display:flex;gap:10px;font-size:13px;line-height:1.75;color:#42566B}
.bt-list b{flex:none;width:52px;color:var(--ink);font-weight:600}
.bt-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;
}
.bt-meta span{
  font-size:11.5px;font-family:var(--mono);color:#5B6E84;
  padding:4px 10px;border-radius:6px;background:var(--soft);border:1px solid var(--line);
}
.bt-meta span.hi{background:var(--brand-l);border-color:#D3E3FB;color:var(--brand)}

/* ============ 大屏界面示意 ============ */
.bi-shot{margin:0}
.bs{
  border-radius:14px;overflow:hidden;color:#DCE9F7;
  background:linear-gradient(180deg,#0A2036,#061527);
  border:1px solid rgba(120,180,255,.16);
  box-shadow:0 30px 60px -34px rgba(6,21,39,.65);
}
.bs-bar{
  display:flex;align-items:center;gap:12px;height:36px;padding:0 14px;
  background:rgba(255,255,255,.035);border-bottom:1px solid rgba(255,255,255,.07);
}
.bs-title{font-size:11.5px;color:#9FC4EA;letter-spacing:.08em}
.bs-live{
  display:flex;align-items:center;gap:5px;font-size:9.5px;
  font-family:var(--mono);color:#4BD6A0;
}
.bs-live i{width:5px;height:5px;border-radius:50%;background:#4BD6A0;animation:pulse 2s infinite}
.bs-time{margin-left:auto;font-size:10px;font-family:var(--mono);color:rgba(233,241,250,.35)}
.bs-body{padding:12px}
.bs-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.bs-kpi{
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);
  border-radius:9px;padding:9px 11px;
}
.bs-kpi span{display:block;font-size:9.5px;color:rgba(233,241,250,.45);letter-spacing:.04em}
.bs-kpi b{display:block;font-family:var(--mono);font-size:17px;font-weight:600;color:#fff;margin-top:2px}
.bs-kpi b em{font-size:9.5px;font-style:normal;color:rgba(233,241,250,.4);margin-left:2px}
.bs-kpi i{font-style:normal;font-size:9.5px;font-family:var(--mono);color:#4BD6A0}
.bs-kpi i.dn{color:#FFB84D}
.bs-mid{display:grid;grid-template-columns:1.5fr 1fr;gap:8px;margin-top:8px}
.bs-panel{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);
  border-radius:9px;padding:9px 11px 7px;
}
.bs-ph{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}
.bs-ph b{font-size:10px;font-weight:600;color:rgba(233,241,250,.75)}
.bs-ph span{font-size:9px;font-family:var(--mono);color:rgba(233,241,250,.3)}
.bs-panel svg{display:block;width:100%;height:92px}
.bs-legend{display:flex;gap:12px;margin-top:4px}
.bs-legend span{display:flex;align-items:center;gap:4px;font-size:9px;color:rgba(233,241,250,.4)}
.bs-legend i{width:8px;height:2px;border-radius:1px}
.bs-rank{display:grid;gap:7px;margin-top:5px}
.bs-rank > div{display:grid;grid-template-columns:44px 1fr 28px;gap:7px;align-items:center;font-size:9.5px;color:rgba(233,241,250,.5)}
.bs-rank b{font-family:var(--mono);font-size:9.5px;color:#DCE9F7;text-align:right;font-weight:500}
.bs-track{height:5px;border-radius:3px;background:rgba(255,255,255,.09);overflow:hidden}
.bs-track i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,#2F80ED,#5AC8FA)}
.bs-track.warn i{background:linear-gradient(90deg,#E9A23B,#FFB84D)}
.bs-low{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px;
  padding:9px 4px 2px;border-top:1px solid rgba(255,255,255,.06);
}
.bs-low > div{display:flex;align-items:baseline;gap:8px}
.bs-low span{font-size:9.5px;color:rgba(233,241,250,.4)}
.bs-low b{font-family:var(--mono);font-size:12px;color:#DCE9F7;font-weight:500}
.bs-low b.warn{color:#FFB84D}
.bs-cap{font-size:12px;color:var(--muted);line-height:1.75;margin-top:12px;text-align:center}

/* 数字孪生大屏 */
.bs--twin{background:linear-gradient(180deg,#071B2E,#04101D)}
.bs-twin{display:grid;grid-template-columns:1fr 178px;gap:10px;padding:10px}
.tw-stage{
  position:relative;border-radius:9px;overflow:hidden;
  background:
    radial-gradient(120% 90% at 50% 100%,rgba(47,128,237,.16),transparent 60%),
    linear-gradient(180deg,#0A2238,#061626);
  border:1px solid rgba(120,180,255,.12);
}
.tw-svg{display:block;width:100%;height:auto}
.tw-side{display:flex;flex-direction:column;gap:4px;padding:2px 2px 0}
.tw-h{
  font-size:9px;font-family:var(--mono);letter-spacing:.1em;
  color:rgba(233,241,250,.35);text-transform:uppercase;margin-bottom:3px;
}
.tw-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:5px 8px;border-radius:6px;background:rgba(255,255,255,.04);
  font-size:10px;color:rgba(233,241,250,.65);
}
.tw-row b{font-size:9.5px;font-weight:600}
.tw-row b.ok{color:#4BD6A0}
.tw-row b.bad{color:#FF7A7A}
.tw-row b.idle{color:rgba(233,241,250,.4)}
.tw-alert{
  padding:6px 8px;border-radius:6px;margin-bottom:5px;
  background:rgba(255,122,122,.09);border:1px solid rgba(255,122,122,.22);
}
.tw-alert b{display:block;font-size:9.5px;color:#FFB3B3;font-weight:600}
.tw-alert span{display:block;font-size:8.5px;color:rgba(233,241,250,.4);margin-top:1px;line-height:1.5}

/* 四步流程复用 .steps */
.steps--4{grid-template-columns:repeat(4,1fr)}
.steps--6{grid-template-columns:repeat(6,1fr)}
.steps--6 .step{padding:0 11px}
.steps--6 .step h4{font-size:14.5px}
.steps--6 .step p{font-size:12.3px}
@media (max-width:1180px){
  .steps--6{grid-template-columns:repeat(3,1fr);gap:32px 0}
  .steps--6::before{display:none}
  .steps--6 .step{padding:0 14px}
  .steps--6 .step h4{font-size:15px}
  .steps--6 .step p{font-size:12.8px}
}
@media (max-width:700px){
  .steps--6{grid-template-columns:1fr;gap:24px 0}
}

@media (max-width:1080px){
  .bs-twin{grid-template-columns:1fr 1fr}
  .steps--4{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .steps--4::before{display:none}
}
@media (max-width:920px){
  .bi-type-grid{grid-template-columns:1fr}
  .bi-duo{grid-template-columns:1fr}
  .bs-mid{grid-template-columns:1fr}
  .bs-panel svg{height:80px}
}
@media (max-width:640px){
  .bs-kpis{grid-template-columns:1fr 1fr}
  .bs-twin{grid-template-columns:1fr}
  .bs-low{grid-template-columns:1fr 1fr;gap:6px}
  .steps--4{grid-template-columns:1fr}
}

/* ---------- 图片主导的产品页（AI 短剧 / AI 数字人） ---------- */
.pf-hero{position:relative;border-radius:18px;overflow:hidden;background:#0B1522;isolation:isolate}
.pf-hero img{display:block;width:100%;height:clamp(330px,44vw,520px);object-fit:cover}
.pf-hero::after{
  content:'';position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(90deg,rgba(6,14,24,.74) 0%,rgba(6,14,24,.44) 30%,rgba(6,14,24,.1) 58%,rgba(6,14,24,0) 78%),
    linear-gradient(0deg,rgba(6,14,24,.4) 0%,rgba(6,14,24,0) 46%);
}
.pf-cap{position:absolute;z-index:2;left:clamp(24px,4.4vw,58px);bottom:clamp(24px,4vw,52px);max-width:min(46ch,54%)}
.pf-cap .k{
  display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  color:#8FB4E8;text-transform:uppercase;margin-bottom:10px;
}
.pf-cap h3{font-size:clamp(20px,2.4vw,30px);line-height:1.3;color:#fff;font-weight:700;letter-spacing:-.01em}
.pf-cap p{margin-top:10px;font-size:13.5px;line-height:1.75;color:rgba(233,241,250,.78)}
.pf-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pf-chips span{
  font-size:11.5px;color:#CFE0F4;border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:4px 11px;
}

.pf-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pf-fig{margin:0}
.pf-fig .pf-shot{border-radius:14px;overflow:hidden;background:#0B1522}
.pf-fig img{display:block;width:100%;height:auto;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.pf-fig--tall img{height:clamp(300px,40vw,460px)}
.pf-fig--wide img{height:clamp(220px,27vw,330px)}
.pf-fig:hover img{transform:scale(1.03)}
.pf-fig figcaption{display:flex;align-items:baseline;gap:10px;margin-top:12px;flex-wrap:wrap}
.pf-fig figcaption b{font-size:13.5px;color:var(--ink);font-weight:650}
.pf-fig figcaption span{font-size:12.5px;color:var(--muted)}
.pf-note{font-size:11.5px;color:#9AAABC;margin-top:16px;letter-spacing:.02em}
/* 产品/服务页配图带：三图并排、单张大图 */
.pf-trio{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pf-trio .pf-shot{aspect-ratio:3/2;border-radius:14px;overflow:hidden;background:#0B1522}
.pf-trio img{width:100%;height:100%;object-fit:cover}
.ph-solo .pf-shot{aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#0B1522}
.ph-solo img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.7,.3,1)}
.ph-solo:hover img{transform:scale(1.02)}

.pf-steps{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:clamp(30px,4vw,44px);border-top:1px solid var(--line);
}
.pf-steps > div{padding:20px 24px 0 0;border-right:1px solid var(--line)}
.pf-steps > div:last-child{border-right:0}
.pf-steps .n{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--brand)}
.pf-steps b{display:block;margin:9px 0 6px;font-size:15.5px;color:var(--ink)}
.pf-steps p{font-size:12.5px;color:var(--muted);line-height:1.7;margin:0}

.pf-cap3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.pf-cap3 b{display:block;font-size:15px;color:var(--ink);margin-bottom:7px}
.pf-cap3 p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}

.pf-stats{display:flex;flex-wrap:wrap;gap:clamp(28px,5vw,64px);border-top:1px solid var(--line);padding-top:20px}
.pf-stats b{display:block;font-family:var(--mono);font-size:clamp(19px,2vw,24px);color:var(--ink);letter-spacing:-.01em}
.pf-stats span{display:block;margin-top:4px;font-size:12px;color:var(--muted)}

.pf-link{
  display:grid;grid-template-columns:minmax(220px,340px) 1fr;
  border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;
  transition:border-color .3s,box-shadow .3s,transform .3s;
}
.pf-link:hover{border-color:#C9DAF5;box-shadow:0 24px 48px -34px rgba(10,27,46,.35);transform:translateY(-2px)}
.pf-link .pl-img{overflow:hidden;background:#0B1522}
.pf-link .pl-img img{display:block;width:100%;height:100%;min-height:236px;object-fit:cover;object-position:center 25%;transition:transform .7s}
.pf-link:hover .pl-img img{transform:scale(1.04)}
.pf-link .pl-body{padding:clamp(22px,3vw,38px);display:flex;flex-direction:column;justify-content:center}
.pf-link .k{
  display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;
  color:var(--brand);text-transform:uppercase;margin-bottom:10px;
}
.pf-link h3{font-size:clamp(18px,2vw,24px);line-height:1.35;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.pf-link p{margin-top:10px;font-size:13.5px;line-height:1.75;color:var(--muted)}
.pf-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:12.5px;color:var(--brand)}
.pf-arrow svg{width:13px;height:13px}

@media (max-width:980px){
  .pf-hero img{height:clamp(280px,46vw,420px)}
  .pf-cap{max-width:min(46ch,72%)}
  .pf-steps{grid-template-columns:1fr 1fr;gap:0}
  .pf-steps > div:nth-child(2n){border-right:0}
  .pf-steps > div{padding-bottom:18px}
  .pf-cap3{grid-template-columns:1fr;gap:16px}
}
@media (max-width:640px){
  .pf-hero{border-radius:14px}
  .pf-hero img{height:300px}
  .pf-hero::after{background:linear-gradient(0deg,rgba(6,14,24,.94) 6%,rgba(6,14,24,.55) 52%,rgba(6,14,24,.12) 100%)}
  .pf-cap{max-width:100%;left:18px;right:18px;bottom:18px}
  .pf-cap h3{font-size:19px}
  .pf-cap p{font-size:12.5px}
  .pf-pair{grid-template-columns:1fr;gap:26px}
  .pf-trio{grid-template-columns:1fr;gap:26px}
  .ph-solo img{height:clamp(220px,58vw,320px)}
  .pf-fig--tall img{height:clamp(300px,88vw,440px)}
  .pf-steps{grid-template-columns:1fr}
  .pf-steps > div{border-right:0;border-bottom:1px solid var(--line-2);padding:16px 0}
  .pf-steps > div:last-child{border-bottom:0}
  .pf-link{grid-template-columns:1fr}
  .pf-link .pl-img img{min-height:180px;max-height:220px}
}

/* 窄屏强制换行 */
.br-m{display:none}
@media (max-width:640px){.br-m{display:block}}

/* 320px 级窄屏（iPhone SE 一代、老安卓）：中文按钮文案短，英文长 1.5 倍，
   .btn 的 nowrap 会把「Explore custom engineering」顶出卡片约 10px，
   页面底部就多出一条横向滚动。只在英文版放开换行，中文版维持原样 */
@media (max-width:360px){
  html[lang="en"] .btn{
    white-space:normal;height:auto;min-height:46px;
    padding:10px 16px;line-height:1.35;text-align:center;
  }
}

/* 仅屏幕阅读器可见 */
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}